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3 Way gtx 580 sli

post #1 of 23
Thread Starter 
Currently I have 2 gtx 580 I was thinking to add one more gtx 580 to make it 3 way sli since 7970 is out I feel like my cards are getting out dated
Is the 3rd gtx would make a difference?
Is it going to scale over 50% or so?
Any help would be greate or links
Thanks guys
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post #2 of 23
You're buying a new card because a different card came out? Sli 580's are still as powerful as they ever were. Save your money, tri sli isn't worth it unless you run 3 monitors in 3d...
    
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post #3 of 23
Thread Starter 
I know but I want to hold the highest FPS I can
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post #4 of 23
Yes, youre going to see an improvement in FPS, but anything over 60 on a 60 hz monitor is wasteful unless you fold or benchmark. You also would have to deal with the problem of heat unless you are water cooling, since your 3 cards would likely all be touching. Not.....worth....it
post #5 of 23
update your sig rig
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post #6 of 23
I think you need to ask yourself, does the current rig that you have play all of today's games. I think you will come to the 'yes' conclusion. The only reason I'd be buying a 7970 or the next Nvidia would be if I were building a rig from scratch. Since you already have the 580 in SLI why change? Just my 2cents.gif

I just noticed you are running at 24inch. Not worth it mate.
post #7 of 23
Quote:
Originally Posted by SoliDD View Post

update your sig rig

I read 1090T.


Quickly looked to the right if there was a 580. But if there was a 1090T + 2x580 SLi, I would've lol'd.
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post #8 of 23
Quote:
Originally Posted by TAr View Post

I know but I want to hold the highest FPS I can

If you want the highest FPS you can, GPU's should not be the only thing you are upgrading. I see you have a 1090t. I am willing to wager my life that you aren't seeing near max usages on, lets say, BF3.

I say that because my friend had a 1090t at 4.3 ghz with two 580's and he was getting crappy performance and bad usages across his cards. He upgraded to a i5 2500k and his usages went way up to 99% and his fps was greater, this was all on stock clocks as well. Upgrade your cpu if you want more FPS, as the cpu is the biggest upgrade you could do right now.
    
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post #9 of 23
Without question you need to move over into the light (intel) with those bad boys. I had a virtually identical setup to you, my first build, of an 1100t, 5870, and 4gb gskill 1333 oc'ed to 1600. As soon as I moved over to 8gb 1866 and a 2600k, not only did the synthetic numbers double and then some, but real world performance and cpu spikes during battlefield greatly decreased. A 2600k at stock speeds eats a highly overclocked 1090t for lunch and ****s it out any day of the week.

Moving from a 5870 to sli 570's was out of this world, then moving to the intel platform from there was also huge. Switching over to 3gb 580's in the next few days so I am anxiously awaiting those numbers. (only because I am not taking a loss on my 570's) Next upgrade is to a 120hz monitor finally. But like I said, you dont need yet another monster card for youre system to stay relevant and future proof. Just remember, AMD is still basically catching up to where NVIDIA has been for a year and some change now with the 500 series. What, you want pci 3.0? Its not going to make that huge of a difference. And someone tell me Im wrong, but isnt 3.0 only able to be used on the x79 chipset right now anyways?

The money youd drop on a 580 could get you a new set of ram, motherboard, and 2500/2600k and perhaps have cash to spare back in your pocket.
post #10 of 23
Quote:
Originally Posted by guitarmageddon88 View Post

Without question you need to move over into the light (intel) with those bad boys. I had a virtually identical setup to you, my first build, of an 1100t, 5870, and 4gb gskill 1333 oc'ed to 1600. As soon as I moved over to 8gb 1866 and a 2600k, not only did the synthetic numbers double and then some, but real world performance and cpu spikes during battlefield greatly decreased. A 2600k at stock speeds eats a highly overclocked 1090t for lunch and ****s it out any day of the week.
Moving from a 5870 to sli 570's was out of this world, then moving to the intel platform from there was also huge. Switching over to 3gb 580's in the next few days so I am anxiously awaiting those numbers. (only because I am not taking a loss on my 570's) Next upgrade is to a 120hz monitor finally. But like I said, you dont need yet another monster card for youre system to stay relevant and future proof. Just remember, AMD is still basically catching up to where NVIDIA has been for a year and some change now with the 500 series. What, you want pci 3.0? Its not going to make that huge of a difference. And someone tell me Im wrong, but isnt 3.0 only able to be used on the x79 chipset right now anyways?
The money youd drop on a 580 could get you a new set of ram, motherboard, and 2500/2600k and perhaps have cash to spare back in your pocket.

dont bother with the 3gb 580s unless your getting the lightning extreme or the classified. the ones evga and zotac have are equal to the 1.5gb models, even at 5760x1080, speaking from experience here, they are not worth it.

look around on google for some recent benchmarks comparing the 3gb and the 1.5gb, all the results are within the margin of error. im considering selling mine when i get back to where my main rig is and swap them out for some 1.5gbs and use the additional money towards a better case.

im not even sure about the x79, but as far as the 3.0 boards, usually on the benchmarks with the same board and the 2.0 next to it, the 2.0 scores higher. mite be a different story with Ivy bridge though.

@ OP, best upgrades for you rite now would be either a 2500k on a z68 or p67, a SSD, 120 hz monitor or anything other than your cards. id suggest start pushing towards intel, and get a ssd, hell even the i3 seems to be more adequate at gaming than the 1090t http://www.anandtech.com/bench/Product/289?vs=146

monitors will probably start coming down soon, OLED screens will probably be getting released over the next 6 months or so, lcd will recieve a drop in price.
    
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